15133115400 has 96 divisors (see below), whose sum is σ = 50521349760. Its totient is φ = 3725072640.

The previous prime is 15133115381. The next prime is 15133115401. The reversal of 15133115400 is 451133151.

It is a super-2 number, since 2×15133115400² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (15133115401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962272 + ... + 977871.

It is an arithmetic number, because the mean of its divisors is an integer number (526264060).

Almost surely, 2^15133115400 is an apocalyptic number.

15133115400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15133115400 is an abundant number, since it is smaller than the sum of its proper divisors (35388234360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15133115400 is a wasteful number, since it uses less digits than its factorization.

15133115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940175 (or 1940166 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 15133115400 its reverse (451133151), we get a palindrome (15584248551).

The spelling of 15133115400 in words is "fifteen billion, one hundred thirty-three million, one hundred fifteen thousand, four hundred".